Prototype Portal
Dross Scorpion
Phyrexian Altar
Cathodion

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield.
3 available

   Steps

How does this combo work?
1
Activate Prototype Portal by paying 3 and tapping it, creating a token copy of Cathodion.
2
Activate Phyrexian Altar by sacrificing Cathodion, adding one mana of any color.
3
When Cathodion dies, it and Dross Scorpion trigger.
4
Resolve the Cathodion trigger, adding .
5
Resolve the Dross Scorpion trigger, untapping Prototype Portal.
6
Repeat.

   Results

What do I get from this combo?
Infinite colored mana
Infinite death triggers
Infinite ETB
Infinite LTB
Infinite sacrifice triggers
Osgir, the Reconstructor
0.0%inclusion1 decks4.99K decks
Tawnos, Urza's Apprentice
0.3%inclusion1 decks355 decks
Lulu, Loyal Hollyphant // Clan Crafter
1.5%inclusion1 decks68 decks
Krenko, Mob Boss
0.0%inclusion1 decks33.9K decks
Renari, Merchant of Marvels // Tavern Brawler
6.7%inclusion1 decks15 decks
Barrin, Master Wizard
0.5%inclusion1 decks191 decks
Dargo, the Shipwrecker // Jeska, Thrice Reborn
0.1%inclusion1 decks808 decks
High Synergy Cards
Emry, Lurker of the Loch
100%inclusion4 decks4 decks
96%synergy
Ashnod's Altar
86%inclusion6 decks7 decks
79%synergy
Krark-Clan Ironworks
71%inclusion5 decks7 decks
70%synergy
Myr Retriever
71%inclusion5 decks7 decks
70%synergy
Scrap Trawler
71%inclusion5 decks7 decks
70%synergy
Foundry Inspector
71%inclusion5 decks7 decks
67%synergy
Workshop Assistant
57%inclusion4 decks7 decks
57%synergy
Blasting Station
57%inclusion4 decks7 decks
57%synergy
Darksteel Citadel
57%inclusion4 decks7 decks
53%synergy
Buried Ruin
57%inclusion4 decks7 decks
52%synergy
Top Cards
Solemn Simulacrum
57%inclusion4 decks7 decks
44%synergy
Game Changers
Cyclonic Rift
75%inclusion3 decks4 decks
52%synergy
The One Ring
29%inclusion2 decks7 decks
20%synergy
Force of Will
25%inclusion1 decks4 decks
15%synergy
Underworld Breach
20%inclusion1 decks5 decks
14%synergy
Gamble
20%inclusion1 decks5 decks
11%synergy
Grim Monolith
14%inclusion1 decks7 decks
12%synergy
Mana Vault
14%inclusion1 decks7 decks
8%synergy
Chrome Mox
14%inclusion1 decks7 decks
8%synergy
Ancient Tomb
14%inclusion1 decks7 decks
5%synergy
Creatures
Ethersworn Shieldmage
100%inclusion1 decks1 decks
100%synergy
Elder Owyn Lyons
100%inclusion1 decks1 decks
99%synergy
Oltec Matterweaver
100%inclusion2 decks2 decks
99%synergy
Mendicant Core, Guidelight
100%inclusion1 decks1 decks
98%synergy
Transit Mage
67%inclusion2 decks3 decks
66%synergy
Market Gnome
50%inclusion1 decks2 decks
50%synergy
Nesting Bot
50%inclusion1 decks2 decks
50%synergy
Digsite Engineer
50%inclusion1 decks2 decks
49%synergy
Vedalken Archmage
50%inclusion2 decks4 decks
49%synergy
Ethersworn Canonist
50%inclusion1 decks2 decks
49%synergy
Voyager Quickwelder
50%inclusion1 decks2 decks
48%synergy
Trinket Mage
50%inclusion2 decks4 decks
48%synergy
Gold Myr
50%inclusion1 decks2 decks
47%synergy
Sai, Master Thopterist
50%inclusion2 decks4 decks
46%synergy
Thought Monitor
50%inclusion2 decks4 decks
46%synergy
Ojer Taq, Deepest Foundation
50%inclusion1 decks2 decks
46%synergy
Enthusiastic Mechanaut
50%inclusion1 decks2 decks
45%synergy
Etherium Sculptor
50%inclusion2 decks4 decks
44%synergy
Jhoira, Weatherlight Captain
50%inclusion1 decks2 decks
44%synergy
Mondrak, Glory Dominus
50%inclusion1 decks2 decks
43%synergy
Myr Moonvessel
43%inclusion3 decks7 decks
43%synergy
Myr Battlesphere
43%inclusion3 decks7 decks
41%synergy
Thermopod
40%inclusion2 decks5 decks
40%synergy
Goblin Welder
40%inclusion2 decks5 decks
38%synergy
Combustible Gearhulk
40%inclusion2 decks5 decks
37%synergy
Curie, Emergent Intelligence
33%inclusion1 decks3 decks
33%synergy
Junk Diver
29%inclusion2 decks7 decks
28%synergy
Ornithopter of Paradise
29%inclusion2 decks7 decks
24%synergy
Glint-Nest Crane
25%inclusion1 decks4 decks
25%synergy
Faerie Mechanist
25%inclusion1 decks4 decks
25%synergy
Malcator's Watcher
25%inclusion1 decks4 decks
25%synergy
Muzzio, Visionary Architect
25%inclusion1 decks4 decks
25%synergy
Mirran Spy
25%inclusion1 decks4 decks
25%synergy
Transplant Theorist
25%inclusion1 decks4 decks
25%synergy
Treasure Mage
25%inclusion1 decks4 decks
25%synergy
Master of Waves
25%inclusion1 decks4 decks
25%synergy
Memnarch
25%inclusion1 decks4 decks
25%synergy
Vedalken Aethermage
25%inclusion1 decks4 decks
25%synergy
Drafna, Founder of Lat-Nam
25%inclusion1 decks4 decks
24%synergy
Riddlesmith
25%inclusion1 decks4 decks
24%synergy
Torrential Gearhulk
25%inclusion1 decks4 decks
24%synergy
Unctus, Grand Metatect
25%inclusion1 decks4 decks
24%synergy
Trophy Mage
25%inclusion1 decks4 decks
23%synergy
Tribute Mage
25%inclusion1 decks4 decks
23%synergy
Urza, Lord High Artificer
25%inclusion1 decks4 decks
22%synergy
The Reality Chip
25%inclusion1 decks4 decks
22%synergy
Padeem, Consul of Innovation
25%inclusion1 decks4 decks
22%synergy
Hullbreaker Horror
25%inclusion1 decks4 decks
17%synergy
Hellraiser Goblin
20%inclusion1 decks5 decks
20%synergy
Kurkesh, Onakke Ancient
20%inclusion1 decks5 decks
20%synergy
Instants
Izzet Charm
50%inclusion1 decks2 decks
45%synergy
Negate
50%inclusion2 decks4 decks
29%synergy
Generous Gift
50%inclusion1 decks2 decks
27%synergy
An Offer You Can't Refuse
50%inclusion2 decks4 decks
26%synergy
Counterspell
50%inclusion2 decks4 decks
8%synergy
Swords to Plowshares
50%inclusion1 decks2 decks
-12%synergy
Abrade
40%inclusion2 decks5 decks
29%synergy
Sink into Stupor
33%inclusion1 decks3 decks
23%synergy
Reality Heist
25%inclusion1 decks4 decks
25%synergy
Annul
25%inclusion1 decks4 decks
24%synergy
Defabricate
25%inclusion1 decks4 decks
24%synergy
Tale's End
25%inclusion1 decks4 decks
24%synergy
Wash Away
25%inclusion1 decks4 decks
24%synergy
Thirst for Knowledge
25%inclusion1 decks4 decks
23%synergy
Disallow
25%inclusion1 decks4 decks
23%synergy
Blue Sun's Zenith
25%inclusion1 decks4 decks
23%synergy
Whir of Invention
25%inclusion1 decks4 decks
22%synergy
Resculpt
25%inclusion1 decks4 decks
21%synergy
Frantic Search
25%inclusion1 decks4 decks
11%synergy
Mana Drain
25%inclusion1 decks4 decks
10%synergy
Swan Song
25%inclusion1 decks4 decks
8%synergy
Brainstorm
25%inclusion1 decks4 decks
6%synergy
Arcane Denial
25%inclusion1 decks4 decks
5%synergy
Dead // Gone
20%inclusion1 decks5 decks
20%synergy
Last-Ditch Effort
20%inclusion1 decks5 decks
20%synergy
March of Reckless Joy
20%inclusion1 decks5 decks
20%synergy
Brightstone Ritual
20%inclusion1 decks5 decks
19%synergy
Battle Hymn
20%inclusion1 decks5 decks
18%synergy
Wild Magic Surge
20%inclusion1 decks5 decks
18%synergy
Demand Answers
20%inclusion1 decks5 decks
14%synergy
Untimely Malfunction
20%inclusion1 decks5 decks
12%synergy
Thrill of Possibility
20%inclusion1 decks5 decks
11%synergy
Chaos Warp
20%inclusion1 decks5 decks
-10%synergy
Sorceries
Organic Extinction
100%inclusion2 decks2 decks
97%synergy
Blasphemous Act
40%inclusion2 decks5 decks
7%synergy
Fade Away
25%inclusion1 decks4 decks
25%synergy
Echo Storm
25%inclusion1 decks4 decks
25%synergy
Mirage Mockery
25%inclusion1 decks4 decks
25%synergy
Saheeli's Artistry
25%inclusion1 decks4 decks
24%synergy
Mind Spring
25%inclusion1 decks4 decks
24%synergy
Reshape
25%inclusion1 decks4 decks
24%synergy
Ravenform
25%inclusion1 decks4 decks
23%synergy
Fabricate
25%inclusion1 decks4 decks
19%synergy
Ponder
25%inclusion1 decks4 decks
13%synergy
Windfall
25%inclusion1 decks4 decks
13%synergy
Glimpse of Tomorrow
20%inclusion1 decks5 decks
20%synergy
Ignite Memories
20%inclusion1 decks5 decks
20%synergy
Path of the Pyromancer
20%inclusion1 decks5 decks
20%synergy
Gleeful Demolition
20%inclusion1 decks5 decks
20%synergy
Into the Fire
20%inclusion1 decks5 decks
20%synergy
Scrap Mastery
20%inclusion1 decks5 decks
19%synergy
Goblin War Strike
20%inclusion1 decks5 decks
19%synergy
Krenko's Command
20%inclusion1 decks5 decks
18%synergy
Tormenting Voice
20%inclusion1 decks5 decks
18%synergy
Grab the Prize
20%inclusion1 decks5 decks
18%synergy
Twinflame
20%inclusion1 decks5 decks
17%synergy
Cathartic Reunion
20%inclusion1 decks5 decks
17%synergy
Grapeshot
20%inclusion1 decks5 decks
16%synergy
Mana Geyser
20%inclusion1 decks5 decks
13%synergy
Utility Artifacts
Mizzium Transreliquat
50%inclusion1 decks2 decks
50%synergy
Summoning Station
43%inclusion3 decks7 decks
43%synergy
Clock of Omens
43%inclusion3 decks7 decks
42%synergy
Mishra's Bauble
43%inclusion3 decks7 decks
41%synergy
Ichor Wellspring
43%inclusion3 decks7 decks
41%synergy
Mystic Forge
43%inclusion3 decks7 decks
40%synergy
Hulldrifter
33%inclusion1 decks3 decks
33%synergy
Possession Engine
33%inclusion1 decks3 decks
33%synergy
Esoteric Duplicator
33%inclusion1 decks3 decks
33%synergy
Repurposing Bay
33%inclusion1 decks3 decks
32%synergy
Salvaging Station
29%inclusion2 decks7 decks
28%synergy
Myr Turbine
29%inclusion2 decks7 decks
28%synergy
Welding Jar
29%inclusion2 decks7 decks
28%synergy
Mirrorworks
29%inclusion2 decks7 decks
28%synergy
Prized Statue
29%inclusion2 decks7 decks
28%synergy
Grinding Station
29%inclusion2 decks7 decks
28%synergy
Tormod's Crypt
29%inclusion2 decks7 decks
28%synergy
Moonsilver Key
29%inclusion2 decks7 decks
27%synergy
Soul-Guide Lantern
29%inclusion2 decks7 decks
27%synergy
Sculpting Steel
29%inclusion2 decks7 decks
26%synergy
Unwinding Clock
29%inclusion2 decks7 decks
26%synergy
Swiftfoot Boots
29%inclusion2 decks7 decks
1%synergy
Witching Well
25%inclusion1 decks4 decks
25%synergy
Dragonspark Reactor
20%inclusion1 decks5 decks
20%synergy
Magmatic Galleon
20%inclusion1 decks5 decks
20%synergy
Battlemage's Bracers
20%inclusion1 decks5 decks
19%synergy
Transmutation Font
17%inclusion1 decks6 decks
16%synergy
Sands of Time
14%inclusion1 decks7 decks
14%synergy
Bottled Cloister
14%inclusion1 decks7 decks
14%synergy
Possessed Portal
14%inclusion1 decks7 decks
14%synergy
Carnage Altar
14%inclusion1 decks7 decks
14%synergy
Chimeric Mass
14%inclusion1 decks7 decks
14%synergy
Briber's Purse
14%inclusion1 decks7 decks
14%synergy
Delif's Cone
14%inclusion1 decks7 decks
14%synergy
Storage Matrix
14%inclusion1 decks7 decks
14%synergy
Soul Foundry
14%inclusion1 decks7 decks
14%synergy
Flayer Husk
14%inclusion1 decks7 decks
14%synergy
Claws of Gix
14%inclusion1 decks7 decks
14%synergy
Nimblewright Schematic
14%inclusion1 decks7 decks
14%synergy
Conjurer's Bauble
14%inclusion1 decks7 decks
14%synergy
Static Orb
14%inclusion1 decks7 decks
14%synergy
Sword of the Paruns
14%inclusion1 decks7 decks
14%synergy
Ensnaring Bridge
14%inclusion1 decks7 decks
14%synergy
Brainstone
14%inclusion1 decks7 decks
14%synergy
The Underworld Cookbook
14%inclusion1 decks7 decks
14%synergy
Pyre of Heroes
14%inclusion1 decks7 decks
14%synergy
Resurrection Orb
14%inclusion1 decks7 decks
14%synergy
The Millennium Calendar
14%inclusion1 decks7 decks
14%synergy
Nim Deathmantle
14%inclusion1 decks7 decks
14%synergy
Urza's Bauble
14%inclusion1 decks7 decks
14%synergy
Enchantments
Dollmaker's Shop // Porcelain Gallery
50%inclusion1 decks2 decks
48%synergy
Anointed Procession
50%inclusion1 decks2 decks
43%synergy
Artificer's Intuition
25%inclusion1 decks4 decks
25%synergy
Efficient Construction
25%inclusion1 decks4 decks
24%synergy
Mirrodin Besieged
25%inclusion1 decks4 decks
23%synergy
Training Grounds
25%inclusion1 decks4 decks
22%synergy
Thopter Spy Network
25%inclusion1 decks4 decks
22%synergy
Goblin Caves
20%inclusion1 decks5 decks
20%synergy
Experimental Frenzy
20%inclusion1 decks5 decks
20%synergy
Cavalcade of Calamity
20%inclusion1 decks5 decks
20%synergy
Goblin Assault
20%inclusion1 decks5 decks
20%synergy
Breath of Fury
20%inclusion1 decks5 decks
19%synergy
Ghirapur Aether Grid
20%inclusion1 decks5 decks
19%synergy
Mana Echoes
20%inclusion1 decks5 decks
19%synergy
Goblin Bombardment
20%inclusion1 decks5 decks
14%synergy
Impact Tremors
20%inclusion1 decks5 decks
10%synergy
Planeswalkers
Tezzeret, Cruel Captain
33%inclusion1 decks3 decks
32%synergy
Tezzeret, Artifice Master
25%inclusion1 decks4 decks
24%synergy
Utility Lands
Ancient Den
100%inclusion2 decks2 decks
95%synergy
Great Furnace
60%inclusion3 decks5 decks
54%synergy
Uthros, Titanic Godcore
50%inclusion1 decks2 decks
47%synergy
Desolate Lighthouse
50%inclusion1 decks2 decks
46%synergy
Castle Ardenvale
50%inclusion1 decks2 decks
45%synergy
Seat of the Synod
50%inclusion2 decks4 decks
43%synergy
Minas Tirith
50%inclusion1 decks2 decks
43%synergy
War Room
43%inclusion3 decks7 decks
37%synergy
Archway of Innovation
33%inclusion1 decks3 decks
30%synergy
Treasure Vault
29%inclusion2 decks7 decks
26%synergy
Inventors' Fair
29%inclusion2 decks7 decks
25%synergy
Rogue's Passage
29%inclusion2 decks7 decks
8%synergy
Reliquary Tower
29%inclusion2 decks7 decks
-1%synergy
Riptide Laboratory
25%inclusion1 decks4 decks
23%synergy
Halimar Depths
25%inclusion1 decks4 decks
22%synergy
Lonely Sandbar
25%inclusion1 decks4 decks
22%synergy
Castle Vantress
25%inclusion1 decks4 decks
22%synergy
Rivendell
25%inclusion1 decks4 decks
22%synergy
Academy Ruins
25%inclusion1 decks4 decks
20%synergy
Mystic Sanctuary
25%inclusion1 decks4 decks
14%synergy
Goblin Burrows
20%inclusion1 decks5 decks
20%synergy
Barbarian Ring
20%inclusion1 decks5 decks
19%synergy
Smoldering Crater
20%inclusion1 decks5 decks
19%synergy
Hidden Volcano
20%inclusion1 decks5 decks
19%synergy
Den of the Bugbear
20%inclusion1 decks5 decks
19%synergy
Desert of the Fervent
20%inclusion1 decks5 decks
19%synergy
Valakut, the Molten Pinnacle
20%inclusion1 decks5 decks
18%synergy
Mines of Moria
20%inclusion1 decks5 decks
17%synergy
Forgotten Cave
20%inclusion1 decks5 decks
16%synergy
Arena of Glory
20%inclusion1 decks5 decks
14%synergy
Diamond City
17%inclusion1 decks6 decks
16%synergy
Three Tree City
17%inclusion1 decks6 decks
12%synergy
Sequestered Stash
14%inclusion1 decks7 decks
14%synergy
Phyrexia's Core
14%inclusion1 decks7 decks
14%synergy
Sea Gate Wreckage
14%inclusion1 decks7 decks
14%synergy
Hall of the Bandit Lord
14%inclusion1 decks7 decks
14%synergy
Volatile Fault
14%inclusion1 decks7 decks
14%synergy
Bonders' Enclave
14%inclusion1 decks7 decks
12%synergy
High Market
14%inclusion1 decks7 decks
12%synergy
Command Beacon
14%inclusion1 decks7 decks
9%synergy
Nykthos, Shrine to Nyx
14%inclusion1 decks7 decks
9%synergy
Urza's Saga
14%inclusion1 decks7 decks
7%synergy
Mana Artifacts
Azorius Signet
100%inclusion1 decks1 decks
78%synergy
Talisman of Progress
100%inclusion1 decks1 decks
75%synergy
Sol Ring
71%inclusion5 decks7 decks
-12%synergy
Arcane Signet
57%inclusion4 decks7 decks
-15%synergy
Izzet Signet
50%inclusion1 decks2 decks
25%synergy
Worn Powerstone
43%inclusion3 decks7 decks
40%synergy
Everflowing Chalice
43%inclusion3 decks7 decks
39%synergy
Mind Stone
43%inclusion3 decks7 decks
28%synergy
Slagstone Refinery
29%inclusion2 decks7 decks
28%synergy
Fractured Powerstone
29%inclusion2 decks7 decks
28%synergy
Lotus Petal
29%inclusion2 decks7 decks
22%synergy
Thought Vessel
29%inclusion2 decks7 decks
11%synergy
Fellwar Stone
29%inclusion2 decks7 decks
8%synergy
Sky Diamond
25%inclusion1 decks4 decks
21%synergy
Boommobile
20%inclusion1 decks5 decks
20%synergy
Cursed Mirror
20%inclusion1 decks5 decks
14%synergy
Bonder's Ornament
14%inclusion1 decks7 decks
14%synergy
Blinkmoth Urn
14%inclusion1 decks7 decks
14%synergy
Paradise Mantle
14%inclusion1 decks7 decks
13%synergy
Prismatic Lens
14%inclusion1 decks7 decks
13%synergy
Astral Cornucopia
14%inclusion1 decks7 decks
13%synergy
Coveted Jewel
14%inclusion1 decks7 decks
13%synergy
Liquimetal Torque
14%inclusion1 decks7 decks
11%synergy
Mox Opal
14%inclusion1 decks7 decks
10%synergy
Thran Dynamo
14%inclusion1 decks7 decks
10%synergy
Commander's Sphere
14%inclusion1 decks7 decks
2%synergy
Lands
Rustvale Bridge
100%inclusion1 decks1 decks
94%synergy
Silverbluff Bridge
100%inclusion2 decks2 decks
94%synergy
Razortide Bridge
100%inclusion1 decks1 decks
93%synergy
Meticulous Archive
100%inclusion1 decks1 decks
92%synergy
Deserted Beach
100%inclusion1 decks1 decks
83%synergy
Sea of Clouds
100%inclusion1 decks1 decks
75%synergy
Glacial Fortress
100%inclusion1 decks1 decks
68%synergy
Hallowed Fountain
100%inclusion1 decks1 decks
60%synergy
Command Tower
57%inclusion4 decks7 decks
-17%synergy
Cascade Bluffs
50%inclusion1 decks2 decks
36%synergy
Izzet Boilerworks
50%inclusion1 decks2 decks
36%synergy
Power Depot
29%inclusion2 decks7 decks
28%synergy
Terramorphic Expanse
29%inclusion2 decks7 decks
13%synergy
Myriad Landscape
29%inclusion2 decks7 decks
12%synergy
Scene of the Crime
17%inclusion1 decks6 decks
16%synergy
Abstergo Entertainment
17%inclusion1 decks6 decks
16%synergy
Study Hall
14%inclusion1 decks7 decks
14%synergy
Esper Panorama
14%inclusion1 decks7 decks
14%synergy
Grixis Panorama
14%inclusion1 decks7 decks
14%synergy
Bant Panorama
14%inclusion1 decks7 decks
14%synergy
Jund Panorama
14%inclusion1 decks7 decks
14%synergy
Naya Panorama
14%inclusion1 decks7 decks
14%synergy
Obscura Storefront
14%inclusion1 decks7 decks
13%synergy
Maestros Theater
14%inclusion1 decks7 decks
13%synergy
Brokers Hideout
14%inclusion1 decks7 decks
13%synergy
Cabaretti Courtyard
14%inclusion1 decks7 decks
13%synergy
Riveteers Overlook
14%inclusion1 decks7 decks
12%synergy
Spire of Industry
14%inclusion1 decks7 decks
11%synergy
Ash Barrens
14%inclusion1 decks7 decks
9%synergy
Cavern of Souls
14%inclusion1 decks7 decks
7%synergy
Arid Mesa
14%inclusion1 decks7 decks
4%synergy
Scalding Tarn
14%inclusion1 decks7 decks
3%synergy
Windswept Heath
14%inclusion1 decks7 decks
3%synergy
Flooded Strand
14%inclusion1 decks7 decks
3%synergy
Misty Rainforest
14%inclusion1 decks7 decks
3%synergy
Polluted Delta
14%inclusion1 decks7 decks
2%synergy
Evolving Wilds
14%inclusion1 decks7 decks
-7%synergy
Path of Ancestry
14%inclusion1 decks7 decks
-8%synergy